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| a fool or simpleton; ninny. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| alder buckthorn | |
| —n | |
| a Eurasian rhamnaceous shrub, Frangula alnus, with small greenish flowers and black berry-like fruits | |
alder buckthorn
woody shrub or small tree, of the buckthorn family (Rhamnaceae), native to western Asia, Europe, and northern Africa. It has been introduced into North America and other regions, where it is often cultivated as an ornamental. The plant grows rapidly, reaching a height of 5.5 m (about 18 feet); its dark, dense, and lustrous foliage turns yellow in autumn. The alternate, rather oval leaves are 3.75-6 cm (1 12-2 12 inches) long. Small, white flowers are borne in clusters of 2 to 10. The small fruit turns from red to black. Tallhedge buckthorn (Rhamnus frangula 'Columnaris') is a horticultural variety grown for its low maintenance and upright form
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